When you think of great cinematic displays of angst, maybe you land on Gena Rowlands wilding out in “A Woman under the Influence.” Or Brando, bellowing up at the balcony in “A Streetcar Named Desire.” But that’s only because you probably haven’t seen “The Room,” the melodrama-turned-cult-hit that screened at the Little Rock Film Festival in May. It will play again at 9 p.m. Saturday at Market Street Cinema and, if organizer Levi Agee has his way, each subsequent final Saturday of the month until September.